What is this card worth

Marble Diamond FDC 267 $0.23 Commander deck Marble Diamond PLST MIR-310 $0.54 Retro frame The List Marble Diamond CLB 320 $0.29 Marble Diamond CLB 446 $0.22 Showcase Booster Fun Marble Diamond VOC 165 $0.37 Commander deck Marble Diamond KHC 100 $0.35 Commander deck Marble Diamond CMR 323 $0.32 Marble Diamond DVD 24 $0.47 Marble Diamond C14 248 $0.30 Commander deck Marble Diamond DDC 24 $0.34 Marble Diamond 7ED 306★ $37.17 Retro frame Marble Diamond 7ED 306 $0.66 Retro frame Marble Diamond 6ED 298 $0.35 Retro frame Marble Diamond MIR 310 $0.98 Retro frame